
public class Lingxing {
	public static void main(String[] args) {
		for (int i = -3; i <= 3; i++) 
			{	
			for (int j = 0; j < Math.abs(i); j++)
					System.out.print(" ");
					for (int j = 0; j < 7 - Math.abs(2 * i); j++)
						System.out.print("*");
			System.out.println();
		
		}
	}
}